YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | 42.12 | o | 38.36 | 53.87 | 65.87 | 75.65 | 85.73 | 86.37 | a | 84.13 | 77.67 | 65.77 | 53.60 | 52.90 | a | 67.26 | a | |||||||||
1940 | 42.33 | a | 45.86 | 58.80 | a | 62.60 | 74.32 | 83.93 | 87.29 | 81.77 | 78.50 | 72.17 | a | 51.27 | 44.58 | 65.29 | ||||||||||
1941 | 36.68 | 41.68 | 45.29 | 55.47 | 68.35 | 76.70 | 82.55 | 82.81 | o | 74.61 | l | 62.16 | 54.07 | 38.44 | o | 58.10 | c | |||||||||
1942 | 43.84 | ----- | z | ----- | z | 52.00 | w | 73.77 | 78.20 | 82.84 | 75.97 | 66.20 | 57.00 | 60.97 | 50.26 | 65.45 | c | |||||||||
1943 | 48.83 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | v | 87.04 | c | 78.50 | ----- | z | ----- | z | ----- | z | 71.45 | i | |
1944 | 40.87 | a | ----- | z | 53.47 | a | 60.34 | a | 71.32 | 81.77 | 84.19 | 81.45 | 76.67 | 70.23 | 51.83 | 43.26 | l | 67.21 | b | |||||||
1945 | 43.42 | ----- | z | 56.37 | l | 63.41 | a | 76.35 | 82.41 | a | 86.32 | 84.61 | 79.83 | a | 67.19 | 58.31 | a | 44.32 | 68.62 | b | ||||||
1946 | 43.03 | b | 49.00 | 57.77 | 70.90 | 72.39 | 87.03 | 88.04 | f | 81.08 | e | 78.53 | 66.42 | 50.93 | b | 47.89 | l | 65.71 | b | |||||||
1947 | 41.29 | 51.93 | 55.48 | 62.37 | 76.71 | 82.83 | 88.67 | m | 81.48 | 82.50 | 69.61 | 47.73 | 41.10 | 63.00 | a | |||||||||||
1948 | 42.26 | 44.83 | 46.29 | 67.50 | 73.77 | 81.47 | 88.47 | a | 83.33 | y | ----- | z | ----- | z | ----- | z | 45.61 | 61.27 | d | |||||||
1949 | 33.35 | 43.68 | 55.00 | 62.43 | 71.03 | 81.41 | a | 83.15 | r | ----- | z | 79.25 | n | 66.96 | e | 64.47 | 46.06 | 58.27 | c | |||||||
1950 | 48.61 | 52.29 | 60.18 | i | 69.50 | 76.55 | 87.20 | 83.55 | 82.52 | 73.23 | 75.32 | 61.00 | a | 53.06 | 69.35 | a | ||||||||||
1951 | 44.94 | 49.18 | 53.23 | 62.55 | a | 74.37 | a | 84.30 | 89.52 | 83.29 | j | 82.70 | j | 66.96 | d | 51.20 | j | 41.92 | e | 63.00 | c | |||||
1952 | 46.93 | a | 45.48 | 48.61 | c | 61.72 | a | 72.48 | 84.43 | 85.82 | i | 86.40 | k | 79.10 | a | 72.77 | 47.80 | 42.58 | 60.19 | b | ||||||
1953 | 50.65 | 45.25 | 56.16 | 62.64 | b | 67.20 | a | 85.53 | 87.90 | 84.89 | d | 84.00 | l | 61.60 | p | 56.00 | 41.77 | 63.80 | b | |||||||
1954 | 47.58 | 56.63 | a | 53.30 | a | 70.45 | a | 74.69 | b | 85.23 | 86.74 | 83.57 | c | 80.17 | a | 69.42 | 58.63 | 46.10 | 67.71 | |||||||
1955 | 40.81 | 44.14 | 56.06 | 63.57 | b | 71.33 | a | 83.27 | 82.65 | 79.81 | 81.10 | 71.35 | 56.13 | 47.67 | a | 64.82 | ||||||||||
1956 | 50.10 | 42.86 | 58.70 | a | 64.23 | 79.82 | c | 87.81 | c | 79.83 | y | 77.00 | n | 82.93 | 69.55 | 51.69 | a | 49.15 | k | 65.30 | c | |||||
1957 | 45.23 | 54.93 | 53.27 | e | 60.67 | 67.03 | a | 83.93 | 85.00 | 80.16 | 79.67 | 62.37 | a | 43.71 | f | 47.00 | t | 67.23 | b | |||||||
1958 | 43.52 | 49.75 | 46.71 | 58.83 | a | 76.67 | j | 87.50 | 90.61 | 87.32 | 73.97 | a | 63.83 | a | 52.68 | k | 41.17 | y | 66.89 | c | ||||||
1959 | 43.29 | ----- | z | ----- | z | 63.50 | j | ----- | z | ----- | z | 87.96 | g | 81.77 | ----- | z | ----- | z | ----- | z | ----- | z | 62.53 | j | ||
1960 | ----- | z | ----- | z | ----- | z | 67.33 | r | 72.34 | b | 84.25 | b | 85.71 | c | 85.81 | j | 80.15 | d | 71.71 | x | 54.76 | m | 41.06 | o | 80.62 | h |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | 73.45 | 83.70 | 84.97 | 79.35 | 71.33 | 62.83 | g | 46.87 | 41.77 | 68.78 | e | |||||||
1962 | 39.07 | a | 48.75 | 48.15 | d | 66.11 | b | 73.97 | b | 81.50 | 81.52 | 84.61 | 74.61 | b | 63.41 | b | 54.80 | 45.65 | 63.51 | |||||||
1963 | 38.16 | 46.74 | a | 51.93 | a | 63.63 | 76.37 | a | 81.00 | b | 87.71 | 79.21 | b | 76.00 | 68.71 | 53.40 | 45.38 | b | 64.02 | |||||||
1964 | 38.72 | b | 36.66 | 47.74 | 56.67 | 71.27 | a | 81.17 | 85.10 | 80.94 | 72.76 | a | 67.90 | 50.30 | 42.10 | a | 60.94 | |||||||||
1965 | 44.53 | a | 43.68 | 46.84 | 60.52 | a | 69.06 | 78.03 | a | 82.81 | 79.79 | b | 70.96 | b | 69.39 | 57.43 | 49.43 | q | 63.91 | a | ||||||
1966 | 39.61 | c | 40.93 | 57.84 | 64.10 | 76.65 | 82.41 | a | 86.90 | 81.97 | 76.87 | 67.19 | 58.50 | 44.60 | a | 64.80 | ||||||||||
1967 | 45.68 | 48.54 | 61.63 | a | 65.10 | 71.32 | 78.20 | 85.97 | 78.06 | 73.33 | 68.48 | 56.30 | 37.16 | 64.15 | ||||||||||||
1968 | 43.13 | 47.22 | f | 50.81 | 58.00 | 69.94 | 84.53 | 83.29 | 77.19 | 76.03 | 68.52 | 51.17 | 41.75 | o | 66.26 | b | ||||||||||
1969 | 47.68 | 45.46 | 45.87 | 63.63 | 71.23 | 79.23 | 87.00 | 86.03 | 75.40 | 58.61 | c | 51.50 | j | ----- | z | 66.01 | b | |||||||||
1970 | 44.89 | c | 49.96 | b | ----- | z | ----- | z | 76.42 | e | 81.37 | 85.00 | a | 83.03 | 75.38 | d | 58.90 | 52.70 | 48.00 | b | 65.57 | b | ||||
1971 | 46.19 | 47.29 | 55.84 | 61.93 | 71.68 | 84.60 | 85.16 | 80.55 | 73.23 | 61.77 | 50.77 | 41.42 | 63.37 | |||||||||||||
1972 | 45.39 | 51.93 | 63.06 | 67.87 | 74.10 | a | 82.31 | a | 86.53 | a | 80.68 | 72.90 | 61.61 | 44.83 | 43.58 | 64.57 | ||||||||||
1973 | 40.94 | 44.21 | 47.48 | 54.23 | 68.45 | 81.43 | 82.87 | 83.65 | 75.13 | 68.06 | 55.53 | 45.61 | 62.30 | |||||||||||||
1974 | 40.77 | 46.71 | 58.61 | 62.83 | 77.71 | 88.37 | 83.81 | 79.84 | 70.73 | 61.45 | 51.83 | a | 40.06 | 63.56 | ||||||||||||
1975 | 40.90 | 43.79 | 50.77 | 57.13 | 69.45 | b | 82.00 | 83.06 | 83.69 | b | 71.62 | a | 67.77 | a | 54.30 | 46.42 | 62.58 | |||||||||
1976 | 44.65 | 53.48 | 54.10 | 63.07 | 70.77 | 82.97 | 84.53 | a | 80.77 | 73.83 | 62.13 | 52.38 | a | 44.61 | 63.94 | |||||||||||
1977 | 40.45 | 48.29 | 49.97 | 63.23 | 70.81 | 85.20 | 84.29 | 82.45 | 75.93 | 68.20 | a | 55.20 | 49.06 | 64.42 | ||||||||||||
1978 | 42.68 | 44.86 | 55.26 | 64.90 | 69.65 | 83.33 | 88.61 | 80.88 | f | 74.80 | 67.10 | 49.66 | a | 40.87 | 61.97 | a | ||||||||||
1979 | 37.29 | 46.74 | a | 51.61 | 61.07 | 68.45 | 79.70 | 86.58 | 80.47 | a | 78.40 | 70.70 | d | 45.97 | 47.37 | a | 62.86 | |||||||||
1980 | 43.71 | 48.28 | 50.29 | 60.60 | 68.23 | 87.48 | e | 91.42 | 83.35 | 76.00 | 63.45 | 53.23 | 52.73 | a | 64.90 | |||||||||||
1981 | 48.23 | 52.68 | 50.58 | 67.47 | 70.16 | 86.50 | 85.81 | 81.29 | 75.07 | 62.58 | 58.13 | 49.40 | a | 65.66 | ||||||||||||
1982 | 44.63 | a | 45.79 | 52.03 | 61.53 | 70.03 | 82.70 | 85.61 | 81.68 | 73.47 | 63.40 | a | 48.87 | 42.09 | h | 64.52 | a | |||||||||
1983 | 44.00 | 47.11 | 50.68 | 55.20 | 69.29 | 80.27 | 85.20 | a | 83.23 | 81.38 | f | ----- | z | 46.50 | p | 40.32 | c | 61.70 | c | |||||||
1984 | 39.60 | a | 48.25 | a | 53.47 | a | 59.13 | 78.45 | 80.00 | b | 84.90 | 79.03 | 75.89 | k | ----- | z | ----- | z | ----- | z | 65.35 | d | ||||
1985 | ----- | z | ----- | z | 53.23 | 63.43 | 70.07 | c | 81.30 | 83.13 | 82.29 | 72.00 | 63.29 | 52.60 | 45.90 | 66.72 | b | |||||||||
1986 | 50.87 | 48.89 | 57.81 | 62.47 | 69.81 | 77.77 | 79.74 | 81.94 | 71.73 | 59.35 | 47.80 | 41.13 | 62.44 | |||||||||||||
1987 | 39.45 | 43.11 | 51.03 | 69.13 | o | 67.38 | b | 79.90 | 83.55 | 79.35 | 74.83 | 68.42 | 50.97 | 41.45 | 61.77 | a | ||||||||||
1988 | 40.19 | 49.72 | 54.32 | 61.73 | 70.16 | 79.53 | 83.42 | 77.81 | 71.13 | 67.90 | 51.87 | 42.48 | 62.52 | |||||||||||||
1989 | 42.35 | 47.61 | 59.40 | a | 68.80 | 76.10 | 82.33 | 84.16 | 79.45 | 76.77 | 63.90 | 53.90 | 43.68 | 64.87 | ||||||||||||
1990 | 42.19 | 44.25 | 54.19 | 62.03 | 69.13 | 86.53 | 80.47 | a | 77.84 | 74.90 | 66.26 | 53.13 | 40.30 | a | 62.60 | |||||||||||
1991 | 39.45 | 50.71 | 50.71 | 62.80 | 72.39 | 79.34 | a | 80.00 | 78.45 | 71.53 | 67.45 | 48.62 | a | 40.29 | 61.81 | |||||||||||
1992 | 38.55 | 45.66 | 53.23 | 66.10 | 68.80 | a | 78.27 | d | 81.71 | 79.84 | 76.63 | 67.27 | a | 44.38 | a | 37.48 | 61.49 | |||||||||
1993 | 42.42 | 44.89 | 55.40 | a | 63.33 | 71.57 | a | 81.45 | a | 84.50 | a | 78.70 | a | 75.48 | a | 63.30 | d | 48.34 | a | 44.35 | 62.81 | |||||
1994 | 45.29 | 45.75 | 54.71 | 63.18 | b | 71.29 | 85.57 | b | 85.84 | 83.19 | 75.83 | 62.00 | 50.00 | a | 46.06 | 64.06 | ||||||||||
1995 | 42.39 | 53.18 | ----- | z | 58.75 | b | 67.83 | a | 78.97 | a | 84.42 | 83.97 | 76.23 | d | 68.26 | 57.90 | 46.48 | 65.31 | a | |||||||
1996 | 45.52 | 51.62 | 55.06 | 67.12 | e | 79.93 | a | 83.28 | a | 83.82 | c | 79.96 | c | 70.44 | c | 63.00 | a | 52.70 | 46.42 | e | 64.91 | |||||
1997 | 41.48 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.89 | d | 75.50 | d | 65.57 | c | 51.08 | d | 38.36 | c | 62.08 | g |
1998 | 45.00 | b | 42.92 | c | 53.36 | f | 58.46 | f | 71.00 | m | 81.59 | c | 81.21 | b | 82.00 | f | 80.52 | e | 63.44 | d | 54.74 | c | 46.41 | b | 61.98 | d |
1999 | 48.70 | a | 52.67 | d | 55.80 | f | 60.15 | d | 70.29 | c | 75.68 | e | 75.38 | e | 72.39 | c | 67.35 | j | 62.81 | d | 56.32 | b | 37.83 | g | 63.82 | c |
2000 | 38.71 | j | 46.80 | d | 47.14 | i | 57.65 | m | 80.68 | l | 83.35 | g | 86.43 | h | 85.05 | j | 81.42 | k | 61.19 | j | 43.43 | 46.08 | g | 45.12 | j | |
2001 | 39.03 | b | 48.96 | e | 54.05 | i | 65.47 | k | 75.68 | f | 83.75 | j | 86.11 | m | ----- | z | 79.68 | k | 68.58 | l | 51.12 | m | 48.50 | y | 44.00 | j |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | 49.53 | a | 61.53 | 72.42 | 82.00 | 89.38 | b | 81.74 | 77.80 | 61.94 | 56.93 | 45.87 | 67.91 | b | ||||||||
2006 | 48.30 | k | 49.88 | l | 55.06 | n | 67.43 | 77.42 | 84.67 | 81.97 | 75.68 | 69.04 | e | 60.71 | 56.65 | m | 41.67 | s | 73.84 | e | ||||||
2007 | 36.27 | i | 32.00 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.12 | n | 83.48 | 77.60 | 67.03 | b | 56.62 | d | 52.88 | w | 71.18 | h | ||
2009 | 48.26 | 53.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.99 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.24 | 47.34 | 53.10 | 62.81 | 72.26 | 82.52 | 84.75 | 81.17 | 75.46 | 65.72 | 52.92 | 44.48 | 63.74 | |||||||||||||
S.D. | 3.72 | 4.08 | 4.14 | 3.70 | 3.33 | 2.97 | 2.85 | 2.80 | 3.45 | 3.86 | 4.40 | 3.78 | 1.47 | |||||||||||||
SKEW | -0.01 | -0.06 | 0.12 | -0.05 | 0.51 | -0.05 | -0.30 | -0.35 | -0.09 | -0.01 | 0.09 | 0.33 | 0.37 | |||||||||||||
MAX | 50.87 | 56.63 | 63.06 | 70.90 | 79.93 | 88.37 | 91.42 | 87.32 | 82.93 | 75.32 | 64.47 | 53.06 | 67.71 | |||||||||||||
MIN | 33.35 | 36.66 | 45.29 | 54.23 | 67.03 | 75.68 | 75.38 | 72.39 | 66.20 | 57.00 | 43.43 | 37.16 | 60.94 | |||||||||||||
YRS | 58 | 54 | 50 | 54 | 58 | 60 | 55 | 55 | 55 | 56 | 54 | 47 | 27 |